US2668413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine power plant with duplexed blading
Assignee: Individual
•
Filing: 1948-03-15
•
Granted: 1954-02-09
•
Expires: 1968-03-15
Abstract
No abstract record available.
Inventors
- 👤 James V Giliberty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:29
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/06; F02C3/073
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190514641A
Cited
US885032A
Cited
AT51150B
Cited
US2391779A
Cited
CH215484A
Cited
US2413225A
Cited
US2414410A
Cited
GB577017A
Cited
US2489683A
Cited
US2398140A
Cited
US2548975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |